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Tag: "findings" at biology news

Sleep quantity affects morning testosterone levels in older men

...levels in the morning," said Penev. "Although the findings suggest that how long a person sleeps may be an indicator of age-related changes in important hormone signals in the body, future studies are needed to determine the importance of these relationships for the health of older adults." Recent studies...

Revealing the machinery underlying the 'plastic' juvenile brain

... Tommaso Pizzorusso and colleagues published their findings in the March 1, 2007 issue of the journal Neuron, published by Cell Press. In their experiments, after keeping juvenile and adult mice in the dark for three days, the researchers exposed the animals to episodes of normal light and analyzed the re...

Biodegradable microspheres deliver time release vaccines, stimulate different immune response

...esearchers from Iowa State University report their findings today at the ASM Biodefense and Emerging Disease R..." says Wilson-Welder. The implications of these findings are two-fold, says Wilson-Welder. First, they have shown that polyanhydride microspheres can be use...

Individuals and populations differ in gene activity levels, not just genes

... obscuring the biological meaning of "race." The findings could also have major implications for medical res...sor of genome sciences and of biostatistics. Their findings appear in the March issue of the American Journal of Human Genetics. "This is exactly what makes...

Leukemia drug turns mini-molecules up, cancer genes down

...n a recent issue of the journal Oncogene. "The findings are important because they tell us that some miRNA...white cells in the blood and bone marrow. "Our findings suggest that these three miRNAs help re-program the malignant cells to a more normal state," Garzon ...

NIDA study identifies genes that might help some people abstain from smoking

...ty for Research on Nicotine and Tobacco. “These findings provide ample justification for continuing the search for even more genetic variants associated with smoking cessation success,?says Dr. Volkow. “We soon may be able to make use of this information to match treatments with the smokers most likely to ...

UCLA study uncovers clues for why Graves' disease attacks the eyes

...patients?blood for the antibody and compared their findings to samples from healthy people, with about 100 subjects in each group. The new antibody was found in almost all of the GD patients?blood. The new antibody binds to the excess receptors on the T-cells, mimicking the actions of a hormone called I...

Corals that can fight global warming may one day help fragile reefs

...d Research Program, Harvell describes these latest findings in detail in the March issue of the journal Oceanography. The working group is an international collaboration with stations in the Caribbean, Philippines, Australia and East Africa that seeks to understand how rising ocean temperatures (which are mon...

Leeches ferry infection among newts

...ide clues to disease outbreaks in amphibians. The findings could also lead to a better understanding of disea...ores onto the mouthparts of a feeding leech. Their findings are outlined in the January issue of Journal of Parasitology. In 2004, Raffel and his Penn State...

Genome sequencing reveals key to viable ethanol production

...n be fodder for hungry, gene-tweaked bacteria. The findings in today’s Proceedings of the National Academy of Sciences may empower scientists to engineer ethanol-producing super-organisms that can make clean-burning fuel from the nation’s one billion unused tons of yearly biomass production. "This is the f...

In young mice, gregariousness seems to reside in the genes

...ith other juveniles. At a practical level, the new findings provide a foundation for understanding the motivations that underlie acts of altruism. Moreover, the work may also help influence the development of new, more effective drugs to treat depression, addiction and autism. "We are quite confident it is...

Cloning the smell of the seaside

...duction have never before been identified. The new findings will be published in the journal Science on Friday February 2. "By isolating a single gene from a bacterium collected from the mud of Stiffkey marshes, we deduced that the mechanisms involved in DMS production differ markedly from those that had b...

Study examines genetic risk factors for Alzheimer's disease

... Disease and we hope that there are other exciting findings to come.? There is no known cure or preventative treatment for Alzheimer’s disease, which affects one in 20 people over the age of 65 and one in five over the age of 80 in the UK and more than 12 million people worldwide. The disease causes a distr...

Genetic fingerprints identify brain tumors' origins

...logy program at the Siteman Cancer Center. "Our findings suggest that brain tumors arising in different reg...development to pediatric neuro-oncology, and these findings affirm that as a necessary approach," Gutmann says. "We won't fully understand the causes of pediatr...

Cure for cancer one step closer

...forward this week. There is every possibility that findings made achievable by the Tissue Bank will lead to the next big breakthrough in the fight against cancer," she said. "By providing researchers who are part of an ethically and scientifically approved research project with tissue, matching blood sampl...

Scientists identify pancreatic cancer stem cells

...sociated with pancreatic cancer stem cells. The findings could help advance development of new therapies for this cancer, which has a five-year survival rate of only three percent -- the worst prognosis of any major cancer, said the study's lead author, Diane M. Simeone, M.D., an associate professor of sur...

Stanford-led study closes in on genes that may predispose some people to severe depression

...id. "This is one of the strongest genetic linkage findings for depression so far." "It's an important paper," said Peter McGuffin, MD, dean of the Institute of Psychiatry at King's College in London, who was not involved in the study. McGuffin wrote a commentary on the research that appears in the sam...

Noise echoes in cell communications

...tical explanation for the benefits of noise. Their findings could lead to major improvements in hearing aid te... is responsible for clarifying the JPG image. The findings could have numerous applications ?most obviously in treating hearing loss by artificially increasing...

Out-of-body experiences may be caused by arousal system disturbances in brain

...on and near death experiences, and published their findings today in the March 6 issue of the journal Neurology in their case report, "Out-of-body experience and arousal." The results are intriguing, and show that some people's brains already may be predisposed to these sorts of experiences. They found tha...

Blood sugar's manufacture limited by building blocks' supply

...by limiting the supply of its building blocks. The findings are reported in the April issue of the journal Cel...d the mice from their fasting hypoglycemia. The findings point to a novel form of control over glucose levels, the researchers said. Ultimately, this "window...

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